Mercurial > jdk8-mips64-public > langtools / file revision

 /*

  * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.

  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

  *

  * This code is free software; you can redistribute it and/or modify it

  * under the terms of the GNU General Public License version 2 only, as

  * published by the Free Software Foundation.  Oracle designates this

  * particular file as subject to the "Classpath" exception as provided

  * by Oracle in the LICENSE file that accompanied this code.

  *

  * This code is distributed in the hope that it will be useful, but WITHOUT

  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

  * version 2 for more details (a copy is included in the LICENSE file that

  * accompanied this code).

  *

  * You should have received a copy of the GNU General Public License version

  * 2 along with this work; if not, write to the Free Software Foundation,

  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

  *

  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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 /*

  * @test

  * @bug 7166010

  * @summary  warnings printed by annotation processors uses incorrect source

  */

 import com.sun.source.util.JavacTask;

 import java.io.IOException;

 import java.net.URI;

 import java.util.ArrayList;

 import java.util.Arrays;

 import java.util.LinkedList;

 import java.util.List;

 import java.util.Set;

 import javax.annotation.processing.AbstractProcessor;

 import javax.annotation.processing.Messager;

 import javax.annotation.processing.RoundEnvironment;

 import javax.annotation.processing.SupportedAnnotationTypes;

 import javax.annotation.processing.SupportedSourceVersion;

 import javax.lang.model.SourceVersion;

 import javax.lang.model.element.Element;

 import javax.lang.model.element.TypeElement;

 import javax.tools.Diagnostic;

 import javax.tools.DiagnosticCollector;

 import javax.tools.JavaCompiler;

 import javax.tools.JavaFileObject;

 import javax.tools.SimpleJavaFileObject;

 import javax.tools.ToolProvider;

 import static javax.tools.Diagnostic.Kind.*;

 import static javax.tools.JavaFileObject.Kind.*;

 @SupportedSourceVersion(SourceVersion.RELEASE_6)

 @SupportedAnnotationTypes("*")

 public class MessagerDiags extends AbstractProcessor {

     static final String CNAME = "Test";

     static final String TEST_JAVA = CNAME + ".java";

     static final String TEST_JAVA_URI_NAME = "myfo:/" + TEST_JAVA;

     static final String WRN_NO_SOURCE   = "warning without source";

     static final String WRN_WITH_SOURCE = "warning with source";

     static final String NONE = "<none>";

     static final String[] EXPECTED = { NONE + ":-1--1:" + WRN_NO_SOURCE,

                                        TEST_JAVA + ":0-13:" + WRN_WITH_SOURCE,

                                        NONE + ":-1--1:" + WRN_NO_SOURCE

     };

     @Override

     public boolean process(Set<? extends TypeElement> annotations,

                            RoundEnvironment roundEnv) {

         Messager messager = processingEnv.getMessager();

         for (Element e : roundEnv.getRootElements()) {

             messager.printMessage(WARNING, WRN_NO_SOURCE);

             messager.printMessage(WARNING, WRN_WITH_SOURCE, e);

             messager.printMessage(WARNING, WRN_NO_SOURCE);

         }

         return false;

     }

     public static void main(String... args) throws IOException {

         final String bootPath = System.getProperty("sun.boot.class.path");

         final JavaCompiler tool = ToolProvider.getSystemJavaCompiler();

         assert tool != null;

         DiagnosticCollector<JavaFileObject> dc = new DiagnosticCollector<>();

         List<String> options = new LinkedList<>();

         options.addAll(Arrays.asList("-bootclasspath",  bootPath,

                         "-source", "1.6", "-classpath",

                         System.getProperty("java.class.path")));

         options.addAll(Arrays.asList("-processor",

                        MessagerDiags.class.getName()));

         JavacTask ct = (JavacTask)tool.getTask(null, null, dc, options, null,

                         Arrays.asList(new MyFileObject("class " + CNAME + " {}")));

         ct.analyze();

         List<String> obtainedErrors = new ArrayList<>();

         for (Diagnostic<? extends JavaFileObject> d : dc.getDiagnostics()) {

             String dSource;

             if (d.getSource() != null) {

                 dSource = d.getSource().toUri().getPath();

                 dSource = dSource.substring(dSource.lastIndexOf('/') + 1);

             } else {

                 dSource = NONE;

             }

             obtainedErrors.add(dSource + ":" + d.getStartPosition() + "-" +

                     d.getEndPosition() + ":" + d.getMessage(null));

         }

         List<String> expectedErrors = Arrays.asList(EXPECTED);

         if (!expectedErrors.equals(obtainedErrors)) {

             System.err.println("Expected: " + expectedErrors);

             System.err.println("Obtained: " + obtainedErrors);

             throw new AssertionError("Messages don't match");

         }

     }

     static class MyFileObject extends SimpleJavaFileObject {

         private String text;

         public MyFileObject(String text) {

             super(URI.create(TEST_JAVA_URI_NAME), SOURCE);

             this.text = text;

         }

         @Override

         public CharSequence getCharContent(boolean ignoreEncodingErrors) {

             return text;

         }

     }

 }